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fs: return device filesystem is mounted on

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Matheus
2024-06-16 12:32:32 -03:00
parent a524d9b48b
commit 5b6d15a06c
5 changed files with 23 additions and 4 deletions
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kernel-src/fs/tmpfs.c
+6 -2
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@@ -17,7 +17,8 @@
static scache_t *nodecache;
static tmpfsnode_t *newnode(vfs_t *vfs, int type);
static void freenode(tmpfsnode_t *node);
static vfsops_t vfsops;
static vfsops_t vfsops;
static uintmax_t currid = 1;
static int tmpfs_mount(vfs_t **vfs, vnode_t *mountpoint, vnode_t *backing, void *data) {
tmpfs_t *tmpfs = alloc(sizeof(tmpfs_t));
@@ -26,6 +27,7 @@ static int tmpfs_mount(vfs_t **vfs, vnode_t *mountpoint, vnode_t *backing, void
*vfs = (vfs_t *)tmpfs;
tmpfs->vfs.ops = &vfsops;
tmpfs->id = __atomic_fetch_add(&currid, 1, __ATOMIC_SEQ_CST);
return 0;
}
@@ -37,6 +39,8 @@ static int tmpfs_getattr(vnode_t *node, vattr_t *attr, cred_t *cred) {
tmpfsnode_t *tmpnode = (tmpfsnode_t *)node;
*attr = tmpnode->attr;
attr->blocksused = ROUND_UP(attr->size, PAGE_SIZE) / PAGE_SIZE;
attr->devmajor = 0;
attr->devminor = ((tmpfs_t *)node->vfs)->id;
VOP_UNLOCK(node);
return 0;
}
@@ -310,7 +314,7 @@ static int tmpfs_rename(vnode_t *source, char *oldname, vnode_t *target, char *n
goto cleanup;
}
// same link, rename is a no-op TODO still gotta unlink it though
// same link, rename is a no-op
if (sourcedir == targetdir && strcmp(oldname, newname) == 0)
goto cleanup;